Flight Reliability
AS 263 · Alaska Airlines
Atlanta → Seattle (ATL–SEA)93% of its flights flew this route. The rest (BOI–SEA, IAD–SEA) are included in these numbers.
85
Pretty Reliable
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0%
- Cancelled
- 4 min early
- Median arrival delay
Based on 43 historical flights. Data through May 2026.
What the data says
A bit behind the Alaska Airlines network.
AS 263 arrived on time 77% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon—(5 flights)
- Tue—(5 flights)
- Wed—(8 flights)
- Thu—(6 flights)
- Fri—(6 flights)
- Sat—(7 flights)
- Sun—(6 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM—(1 flights)
- 3–6 PM75%(40 flights)
- 6–9 PM—(1 flights)
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 43
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 43 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.